package exception;

public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了...");
        try {
            String line=null;
            System.out.println(line.length());
            System.out.println(1);
            String line1="";
            System.out.println(line.charAt(0));
            System.out.println(2);
            String line2="abc";
            System.out.println(Integer.parseInt(line2));
            System.out.println(3);
        }catch (Exception e){
            System.out.println("出现并解决了异常错误...");
        }
        System.out.println("程序结束了");
    }
}
